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Solar Energy in Norwalk, CT

Solar Energy in Norwalk

The month of June has the highest historical solar radition values in Norwalk with an average of 5.34 kWh/m2/day. [More]

Solar Panels in Norwalk

Solar panels in Norwalk that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output. [More]

Sunrise & Sunset in Norwalk

The total length of the day in Norwalk, CT today (September 21, 2018) will be 12 hours and 11 minutes. [More]

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Norwalk, CT Solar Energy

Solar Power in Norwalk, CT

Solar Energy Data in Norwalk, CT

See the chart below to see how different types of solar panel installations compare in Norwalk.

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.


Solar Energy Analysis for Norwalk, CT

Solar Radiation Data in Norwalk

Based on historical Norwalk, CT data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Norwalk. [1]

Norwalk has an average monthly Global Horizontal Irradiance (GHI) of 3.93 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 1% greater than the average monthly Direct Normal Irradiance (DNI) of 3.89 kWh/m2/day. [1]

Solar installations in Norwalk that are always titled at the latitude of Norwalk (Average Tilt at Latitude or ATaL) average 4.65 kWh/m2/day, or about 18% greater than the average monthly GHI of 3.93 kWh/m2/day and approximately 20% greater than the average monthly DNI of 3.89 kWh/m2/day. [1]

* See glossary & definitions below.

Solar Energy Glossary

Global Horizontal Irradiance (GHI)

Global Horizontal Irradiance: The total amount of solar radiation that is received per unit area by a surface that is always positioned in a horizontal manner.

Direct Normal Irradiance (DNI)

Direct Normal Irradiance: The total amount of solar radiation received per unit area by a surface that is always perpendicular to the sun rays that come in a straight line from the direction of the sun at its current position in the sky.

Average Tilt at Latitude (ATaL)

Average Tilt at Latitude: The total amount of solar radiation received per unit area by a surface that is tilted toward the equator at an angle equal to the current latitude. ATaL will often produce the optimum energy output.

Solar Radiation Levels in Norwalk

Solar Radiation Data in Norwalk, CT

See the chart below for monthly solar radiation levels in Norwalk.

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)

Solar Radiation Analysis for Norwalk, CT

Solar Radiation Data in Norwalk

Norwalk, CT has a average annual solar radiation value of 4.43 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in Norwalk is June with an average of 5.34 kWh/m2/day, followed by July at 5.31 kWh/m2/day and August at 5.26 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in Norwalk (Connecticut) are December with an average of 2.91 kWh/m2/day, followed by November with an average of 3.15 kWh/m2/day and January at 3.34 kWh/m2/day. [1]

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Solar Power Comparison: Norwalk vs. the U.S.

Solar Power Levels in Norwalk

The average monthly solar radiation level in Norwalk, CT, of 4.43 kilowatt hours per square meter per day (kWh/m2/day) is approximately 19% greater than the average level of 3.73 kWh/m2/day in a city with historically low levels (WA) and is approximately 33% less than the average level of 6.6 kWh/m2/day in a city with historically high levels (NV). [1]


→ Values listed as 0 (zero) are not available (N/A).

Solar Power: vs. the U.S.

Below is a month-by-month comparison of how average Norwalk solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). [1]

→ k/m/d = kWh/m2/day = kilowatt hours per square meter per day.
→ Values listed as 0 (zero) are not available (N/A).

Solar Data & Statistics for Norwalk

Sunrise / Sunset in Norwalk

  • Sunrise/Sunset for September 21, 2018 [2]
    • Sunrise: 6:40 am
    • Sunset: 6:52 pm
    • Solar Noon: 12:46 pm
    • Length of Day: 12:11
Solar Energy Statistics for Norwalk

Best Months for Solar in Norwalk

  • Top Solar Power Months Historically [1]
    • Solar Radiation June (5.34 kWh/m2/day)
    • ATaL: July (5.54 kWh/m2/day)
    • DNI: July (4.55 kWh/m2/day)
    • GHI: July (5.94 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Norwalk

We do not currently have data on solar panel installations in the city of Norwalk, CT at this current time.

However, Norwalk is in Fairfield County and Fairfield County has at least 2,536 solar insallations right now. [1]

Solar Power Output in Norwalk

The Power of Solar in Norwalk, CT

Monthly AC solar system output averages for Norwalk (ct). Month-by-month solar power, as ranked by AC output, in Norwalk. [2]

* Amounts listed in kWhac (kilowatt hours (AC))

Solar Output Analysis for Norwalk, CT

Solar Radiation Data in Norwalk

Norwalk (CT) has a average annual solar AC output value of 5243.66 kilowatt hours (AC). [2]

The month with the highest historical solar power output in Norwalk is May with an average of 519.58 kWhac, followed by July at 510.97 kWhac and August at 505.78 kWhac. [2]

The three months that historically average the lowest average solar output levels in Norwalk (Connecticut) are December with an average of 307.58 kWhac, followed by November with an average of 314.21 kWhac and January at 355.81 kWhac. [2]

Cost of Utilities in Norwalk

Norwalk Electricity Costs

Electricity prices (residential) in Norwalk averaged 21.62 cents per kilowatthour (¢/kWh) in June 2018, which was about 66% more than the overall U.S. average residential electricity rate of 13.02¢/kWh in June. [3]

Solar Power Poll: Norwalk

Vote now: Given all of the data and analysis provided for Norwalk, is solar power a good choice for residents of this city?

Yes, solar power is a great option  
No, solar power isn't a good option

Norwalk Natural Gas Costs

Natural gas prices (residential) in Connecticut averaged $19.95 per thousand cubic feet (Mcf) in June 2018, which was approximately 21% more than the overall U.S. average residential natural gas rate of $16.53 per Mcf in June. [4]

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Solar Businesses in Norwalk

Solar Energy Contractors in Norwalk

Contractors & builders that specialize in solar panel installations in or near Norwalk, CT.

Sorry, no local solar energy contractors found.

Our search for solar contractors companies located in Norwalk produced no matches.

Solar Energy Equipment in Norwalk

Businesses that sell solar energy equipment and/or solar parts in or near Norwalk, CT.

Sorry, no local business selling solar equipment were found.

Our search for companies selling solar parts located in Norwalk produced no matches.

Energy Conservation Consultants in Norwalk

Energy conservation specialists that offer consulting services in or near Norwalk, CT.

Sorry, no local energy conservation specialists were found.

Our search for energy conservation specialists located in Norwalk produced no matches.

Weather Forecast for Norwalk, CT [5]

Thu Sep 20
66°F
Light Rain
Min: 66°F
Max: 66°F
Gentle Breeze: 4 mps SSE
Precip.: n/a
Humidity: 93%
Cloud cover: 88%
Fri Sep 21
67°F
Few Clouds
Min: 62°F
Max: 70°F
Moderate breeze: 6 mps SSE
Precip.: n/a
Humidity: 89%
Cloud cover: 20%
Sat Sep 22
67°F
Light Rain
Min: 58°F
Max: 73°F
Fresh Breeze: 8 mps NNW
Precip.: Chance of Rain
Humidity: 76%
Cloud cover: 88%
Sun Sep 23
66°F
Light Rain
Min: 59°F
Max: 66°F
Moderate breeze: 6 mps NE
Precip.: n/a
Humidity: 0%
Cloud cover: 59%
Mon Sep 24
66°F
Light Rain
Min: 61°F
Max: 66°F
High wind, near gale: 13 mps ESE
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 37%
Tue Sep 25
71°F
Moderate Rain
Min: 67°F
Max: 71°F
Moderate breeze: 7 mps SE
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 62%

More about Norwalk

About Norwalk

The city of Norwalk, CT in Fairfield County has an approximate population of 85,603. [6]

Norwalk Solar Power

Norwalk, CT Solar Energy

To learn more about solar energy and solar power Norwalk, CT, or for more solar-related resources for Norwalk, visit the U.S. Energy Information Administration.

Did you know?

Nineteen-year-old Edmund Becquerel, a French experimental physicist, discovered the basis of solar energy in 1839.

Other Cities in Connecticut

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References